270 Winchester

Case: Winchester
Twist: 1:10"
Primer: Winchester LR, Large Rifle
Barrel Length: 24"
Trim Length: 2.530"
Pressure limit: SAAMI Maximum Average Pressure limit: 52000 CUP / 65000 PSI
Bullet Powder Bullet Diam. C.O.L Starting Loads Maximum Loads
Grs. Velocity (fps) Pressure Grs. Velocity (fps) Pressure
Show Filter Show Filter                
90 GR. Sierra Hollow Point Bench Mark 8208 .277" 3.200" Starting 45.6 grain 3380 fps 57900 psi Maximum 48.0 grain 3476 fps 61900 psi
90 GR. Sierra Hollow Point AR2206H .277" 3.200" Starting 50.0 grain 3482 fps 48100 cup Maximum 53.0 grain 3595 fps 50400 cup
90 GR. Sierra Hollow Point AR2208 .277" 3.200" Starting 51.0 grain 3409 fps 46000 cup Maximum 55.0 grain 3596 fps 51400 cup
90 GR. Sierra Hollow Point AR2209 .277" 3.200" Starting 58.0 grain 3401 fps 43700 cup Maximum 62.0 grain (C) 3603 fps 49800 cup
100 GR. Speer Soft Point AR2206H .277" 3.145" Starting 47.0 grain 3298 fps 47000 cup Maximum 50.0 grain 3401 fps 50200 cup
100 GR. Speer Soft Point AR2208 .277" 3.145" Starting 48.0 grain 3232 fps 44400 cup Maximum 52.0 grain 3397 fps 50200 cup
100 GR. Speer Soft Point AR2209 .277" 3.145" Starting 56.0 grain 3258 fps 44000 cup Maximum 59.4 grain 3401 fps 50200 cup
110 GR. Hornady Hollow Point Bench Mark 8208 .277" 3.250" Starting 44.1 grain 3064 fps 56400 psi Maximum 46.4 grain 3146 fps 59500 psi
110 GR. Hornady Hollow Point AR2206H .277" 3.250" Starting 45.0 grain 3113 fps 46700 cup Maximum 47.5 grain 3215 fps 50800 cup
110 GR. Hornady Hollow Point AR2208 .277" 3.250" Starting 43.0 grain 3072 fps 44100 cup Maximum 48.7 grain 3248 fps 50800 cup
110 GR. Hornady Hollow Point AR2209 .277" 3.250" Starting 54.0 grain 3164 fps 46900 cup Maximum 57.0 grain 3267 fps 50100 cup
110 GR. Hornady Hollow Point AR2213SC .277" 3.250" Starting 58.0 grain 3057 fps 42600 cup Maximum 62.0 grain (C) 3214 fps 48200 cup
120 GR. Barnes X Flat Base AR2206H .277" 3.270" Starting 42.0 grain 2799 fps 45000 cup Maximum 45.0 grain 2950 fps 50400 cup
120 GR. Barnes X Flat Base AR2208 .277" 3.270" Starting 44.0 grain 2858 fps 46300 cup Maximum 47.0 grain 3010 fps 51000 cup
120 GR. Barnes X Flat Base AR2209 .277" 3.270" Starting 51.0 grain 2886 fps 44700 cup Maximum 55.0 grain 3069 fps 51200 cup
120 GR. Barnes X Flat Base AR2213SC .277" 3.270" Starting 58.0 grain 2918 fps 45800 cup Maximum 62.0 grain (C) 3112 fps 51200 cup
130 GR. Barnes Triple Shock X Bench Mark 8208 .277" 3.230" Starting 42.3 grain 2798 fps 55700 psi Maximum 45.0 grain 2922 fps 62400 psi
130 GR. Barnes Triple Shock X AR2208 .277" 3.230" Starting 44.0 grain 2849 fps 54800 psi Maximum 48.0 grain 3013 fps 63200 psi
130 GR. Barnes Triple Shock X AR2209 .277" 3.230" Starting 51.0 grain 2905 fps 52500 psi Maximum 55.5 grain 3111 fps 63500 psi
130 GR. Barnes Triple Shock X AR2213SC .277" 3.230" Starting 54.0 grain 2747 fps 45500 psi Maximum 60.0 grain (C) 3025 fps 59000 psi
130 GR. Barnes Triple Shock X AR2217 .277" 3.230" Starting 57.0 grain 2716 fps 42100 psi Maximum 60.0 grain (C) 2846 fps 48200 psi
130 GR. Hornady Soft Point Trail Boss .277" 3.180" Starting 14.0 grain 1318 fps 22800 psi Maximum 19.7 grain 1537 fps 27100 psi
130 GR. Hornady Soft Point Bench Mark 8208 .277" 3.180" Starting 42.8 grain 2840 fps 57600 psi Maximum 45.0 grain 2934 fps 62800 psi
130 GR. Hornady Soft Point AR2206H .277" 3.180" Starting 42.0 grain 2782 fps 44700 cup Maximum 45.0 grain 2922 fps 51000 cup
130 GR. Hornady Soft Point AR2208 .277" 3.180" Starting 43.0 grain 2797 fps 43900 cup Maximum 46.0 grain 2931 fps 49600 cup
130 GR. Hornady Soft Point AR2209 .277" 3.180" Starting 51.0 grain 2865 fps 45200 cup Maximum 54.3 grain 3012 fps 50500 cup
130 GR. Hornady Soft Point AR2213SC .277" 3.180" Starting 56.0 grain 2843 fps 44400 cup Maximum 60.0 grain (C) 3019 fps 51000 cup
130 GR. Hornady Soft Point AR2217 .277" 3.180" Starting 61.0 grain 2900 fps 42900 cup Maximum 64.0 grain (C) 3025 fps 48100 cup
135 GR. Sierra Hollow Point Boat Tail AR2206H .277" 3.340" Starting 41.0 grain 2735 fps 44300 cup Maximum 44.0 grain 2879 fps 50600 cup
135 GR. Sierra Hollow Point Boat Tail AR2208 .277" 3.340" Starting 41.0 grain 2701 fps 40800 cup Maximum 45.0 grain 2902 fps 50200 cup
135 GR. Sierra Hollow Point Boat Tail AR2209 .277" 3.340" Starting 50.0 grain 2834 fps 44400 cup Maximum 53.5 grain 2994 fps 50700 cup
135 GR. Sierra Hollow Point Boat Tail AR2213SC .277" 3.340" Starting 55.0 grain 2812 fps 43600 cup Maximum 59.5 grain (C) 3010 fps 51000 cup
135 GR. Sierra Hollow Point Boat Tail AR2217 .277" 3.340" Starting 61.0 grain 2915 fps 43100 cup Maximum 63.0 grain (C) 3011 fps 47600 cup
140 GR. Swift Soft Point AR2206H .277" 3.280" Starting 40.0 grain 2627 fps 45300 cup Maximum 42.6 grain 2768 fps 50600 cup
140 GR. Swift Soft Point AR2208 .277" 3.280" Starting 41.0 grain 2623 fps 44300 cup Maximum 43.7 grain 2772 fps 50500 cup
140 GR. Swift Soft Point AR2209 .277" 3.280" Starting 49.0 grain 2737 fps 44500 cup Maximum 52.0 grain 2870 fps 50400 cup
140 GR. Swift Soft Point AR2213SC .277" 3.280" Starting 54.0 grain 2716 fps 43900 cup Maximum 58.0 grain (C) 2888 fps 50100 cup
140 GR. Swift Soft Point AR2217 .277" 3.280" Starting 59.0 grain 2771 fps 41800 cup Maximum 63.0 grain (C) 2979 fps 50800 cup
150 GR. Hornady Soft Point AR2209 .277" 3.285" Starting 46.0 grain 2575 fps 43400 cup Maximum 49.0 grain 2724 fps 51000 cup
150 GR. Hornady Soft Point AR2213SC .277" 3.285" Starting 52.0 grain 2651 fps 46300 cup Maximum 55.7 grain 2804 fps 51200 cup
150 GR. Hornady Soft Point AR2217 .277" 3.285" Starting 55.0 grain 2689 fps 44900 cup Maximum 59.0 grain (C) 2831 fps 51000 cup
160 GR. Nosler Partition AR2209 .277" 3.340" Starting 46.0 grain 2501 fps 43600 cup Maximum 49.0 grain 2646 fps 51100 cup
160 GR. Nosler Partition AR2213SC .277" 3.340" Starting 50.0 grain 2510 fps 43000 cup Maximum 54.0 grain 2673 fps 50500 cup
160 GR. Nosler Partition AR2217 .277" 3.340" Starting 55.0 grain 2614 fps 44200 cup Maximum 59.0 grain (C) 2765 fps 50900 cup
180 GR. Barnes Jacketed Round Nose AR2213SC .277" 3.300" Starting 47.0 grain 2358 fps 46000 cup Maximum 50.5 grain 2501 fps 51100 cup
180 GR. Barnes Jacketed Round Nose AR2217 .277" 3.300" Starting 50.0 grain 2404 fps 45100 cup Maximum 54.0 grain 2540 fps 50600 cup

C = Compressed Load.

Relevant Bullet Acronyms

HP Hollow Point
HPBT Hollow Point Boat Tail
JRN Jacketed Round Nose
PART Partition
SP Soft Point
TSX Triple Shock X
XFB X Flat Base

Relevant Brand Acronyms

BAR Barnes
HDY Hornady
NOS Nosler
SFT Swift
SIE Sierra
SPR Speer